time-to-botec

Benchmark sampling in different programming languages
Log | Files | Refs | README

isWeakSet.js (643B)

      1 var baseGetTag = require('./_baseGetTag'),
      2     isObjectLike = require('./isObjectLike');
      3 
      4 /** `Object#toString` result references. */
      5 var weakSetTag = '[object WeakSet]';
      6 
      7 /**
      8  * Checks if `value` is classified as a `WeakSet` object.
      9  *
     10  * @static
     11  * @memberOf _
     12  * @since 4.3.0
     13  * @category Lang
     14  * @param {*} value The value to check.
     15  * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
     16  * @example
     17  *
     18  * _.isWeakSet(new WeakSet);
     19  * // => true
     20  *
     21  * _.isWeakSet(new Set);
     22  * // => false
     23  */
     24 function isWeakSet(value) {
     25   return isObjectLike(value) && baseGetTag(value) == weakSetTag;
     26 }
     27 
     28 module.exports = isWeakSet;